产品概述 返回TOPq4X嘉泰姆

      CXLE81116 develops a high efficiency boost regulator with six matching current source to drive up to six strings of white LEDs in the backlight applications of LCD panels.
         The device operates over a wide input voltage range of 4.5V to 24V. CXLE81116 has a fixed switching frequency of 1MHz. The LED current can be programmed from 10mA to 30mA. CXLE81116 also integrates PWM dimming function for the accurate LED current control.
         The CXLE81116 is available in QFN3x3-16 package.

   产品特点 返回TOPq4X嘉泰姆

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1MHz fixed switching frequencyq4X嘉泰姆

Integrated loop compensationq4X嘉泰姆

Drive up to 6 strings of LEDs with up to 10 LED per stringq4X嘉泰姆

Minimum on time: 80ns typicalq4X嘉泰姆

Minimum off time: 100ns typicalq4X嘉泰姆

Over voltage protectionq4X嘉泰姆

Low Rdson of internal boost switch: 200mohmq4X嘉泰姆

10000:1 PWM brightness control at 200Hzq4X嘉泰姆

Dimming Frequency: 100Hz~30kHzq4X嘉泰姆

+/-2% current matching among strings guaranteed for above 10% dimming levelq4X嘉泰姆

Programmable LED current: up to 30mA per string. +/-3% accuracyq4X嘉泰姆

Internal softstartq4X嘉泰姆

Compact packages: QFN3x3-16q4X嘉泰姆

   应用范围 返回TOPq4X嘉泰姆

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Notebook panel backlightq4X嘉泰姆

TV Panel Backlightq4X嘉泰姆

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